/*
 * Copyright 2025 LinQingYing. and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of this source code is governed by the Apache License 2.0,
 * which allows users to freely use, modify, and distribute the code,
 * provided they adhere to the terms of the license.
 *
 * The software is provided "as-is", and the authors are not responsible for
 * any damages or issues arising from its use.
 *
 */

package org.cangnova.cangjie.psi

import org.cangnova.cangjie.psi.CjNodeTypes
import com.intellij.openapi.project.Project
import com.intellij.psi.FileViewProvider
import com.intellij.psi.PsiElement

/**
 * 表达式代码片段
 *
 *
 */
open class CjExpressionCodeFragment(
    project: Project,
    name: String,
    text: CharSequence,
    imports: String?,
    context: PsiElement?,
) : CjCodeFragment(project, name, text, imports, CjNodeTypes.EXPRESSION_CODE_FRAGMENT, context) {

    override fun getContentElement() = findChildByClass(CjExpression::class.java)
}

class CjBlockCodeFragment(
    viewProvider: FileViewProvider,
    imports: String?, // Should be separated by CjCodeFragment.IMPORT_SEPARATOR
    context: PsiElement?,
) : CjCodeFragment(viewProvider, imports, CjNodeTypes.BLOCK_CODE_FRAGMENT, context) {

    constructor(
        project: Project,
        name: String,
        text: CharSequence,
        imports: String?,
        context: PsiElement?,
    ) : this(
        createFileViewProviderForLightFile(project, name, text),
        imports,
        context,
    )

    override fun getContentElement() = findChildByClass(CjBlockExpression::class.java)
        ?: throw IllegalStateException("Block expression should be parsed for BlockCodeFragment")
}
